WCU PHYS 261 Final Exam
Review EXAM Questions with
100% Correct Answers |
Verified | Updated (Actual
Exam) 2025\2026
The volume of blood pumped out of the heart from one ventricle during
one contraction - ANSWER ✔✔Stroke Volume (SV)
The rapid depolarization phase of the action potentials of myocardial
contractile cells is due to which ion(s)? - ANSWER ✔✔Na+ only
The volume of blood in the ventricle available to be pumped out of the
heart during one contraction - ANSWER ✔✔End- diastolic volume
(EDV)
, The volume of blood left in the ventricle after it contracts - ANSWER
✔✔End- systolic volume (ESV)
The volume of blood ejected from each ventricle during a contraction -
ANSWER ✔✔Stroke volume (SV)
What happens when calcium binds to troponin? - ANSWER
✔✔Tropomyosin is pulled away from the myosin-binding site on actin.
The driving force for blood flow is a(n) ________ gradient. -
ANSWER ✔✔pressure
Which would NOT cause an increase in blood pressure? - ANSWER
✔✔a decrease in cardiac output
Match the name of the wave with the correlated event:
ventricular depolarization - ANSWER ✔✔QRS complex
The function of transverse tubules is to - ANSWER ✔✔rapidly
conduct action potentials to the interior of the muscle fiber.
Which is greater:
A) blood pressure when the peripheral vessels constrict
Review EXAM Questions with
100% Correct Answers |
Verified | Updated (Actual
Exam) 2025\2026
The volume of blood pumped out of the heart from one ventricle during
one contraction - ANSWER ✔✔Stroke Volume (SV)
The rapid depolarization phase of the action potentials of myocardial
contractile cells is due to which ion(s)? - ANSWER ✔✔Na+ only
The volume of blood in the ventricle available to be pumped out of the
heart during one contraction - ANSWER ✔✔End- diastolic volume
(EDV)
, The volume of blood left in the ventricle after it contracts - ANSWER
✔✔End- systolic volume (ESV)
The volume of blood ejected from each ventricle during a contraction -
ANSWER ✔✔Stroke volume (SV)
What happens when calcium binds to troponin? - ANSWER
✔✔Tropomyosin is pulled away from the myosin-binding site on actin.
The driving force for blood flow is a(n) ________ gradient. -
ANSWER ✔✔pressure
Which would NOT cause an increase in blood pressure? - ANSWER
✔✔a decrease in cardiac output
Match the name of the wave with the correlated event:
ventricular depolarization - ANSWER ✔✔QRS complex
The function of transverse tubules is to - ANSWER ✔✔rapidly
conduct action potentials to the interior of the muscle fiber.
Which is greater:
A) blood pressure when the peripheral vessels constrict
